ISTJ 1w9 (The Complete Guide)


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ISTJs are an important piece in the MBTI typology. Their doggedness and their love for playing by the book make them stand out. ISTJ 1w9 is a shade of the typical ISTJ.

In this article, we’ll look at the ISTJ 1w9 and what you can expect from them.

Who is the ISTJ 1w9?

ISTJ 1w9s are strong-willed, yet easy-going. The combination of type 1 and type 9 combine to create a person who knows and stands for their values, yet is diplomatic. ISTJs mostly identify as type 1.

So, this personality type is not that rare. ISTJ 1w9s also benefit from having a much stronger introverted sensing (Si) function. Thus, they are in touch with their past experiences especially when they have to navigate new waters.

The presence of type 9 as their wing will change some of the traits of a typical ISTJ. ISTJ 1w9s are more likely to be ISTJ-As than ISTJ-Ts

Recommended Article- Enneagram 1 wing 9 (1w9)

What is the Core Desire of the ISTJ 1w9?

The core desire of the ISTJ 1w9 is to be morally good and upright. However, it is just not enough for them to be good. They want to be seen as good.

To achieve this, ISTJ 1w9s develop values they believe to be good and stick to them stubbornly.

What is the Core Fear of the ISTJ 1w9?

The core fear of the ISTJ 1w9 is to be seen as bad or evil. To combat this fear, they stick to their values and try to do the right thing at all costs.

How the 1w9 Changes the Natural Tendencies of the ISTJ

1.    More Professional

ISTJs are already very organized and professional. They are punctual, do the right thing, and can be counted on. ISTJ 1w9s take this to the extreme. You can expect complete professionalism when they are given any job.

As far as they have clear instructions, you can expect them to get the job done.

2.    More Diplomatic

While ISTJ 1w9s have strong values, they are also diplomatic. This means that, unlike other type 1s, they might not strongly impose these values on others.

While they might state their minds on the matter, they won’t let a conflict arise because of their stance. This is true as far as the other person does not continually try to make them change their values.

Diplomacy is possible with this type. However, the conditions have to be right. This is probably down to the presence of their tertiary function, introverted feeling (Fi).

3.    More People-Oriented

ISTJs are super introverts. However, this personality type will show more interest in people. This is because their wing is interested in people and creating harmony.

Type 1 is also interested in charitable events and matters relating to justice. So, while they are not extroverts, they will have time for people when it’s important.

4.    Higher Values/Morals

As earlier stated, their core desire is to be good or to be seen as good. So, they have higher moral expectations of themselves and their actions.

This translates to being model citizens and trying to do the right thing. If they don’t, they’ll feel guilty for a long period.

Their higher values and morals are evident in their lives.

5.    Less Rigid

This follows the point of diplomacy. ISTJ 1w9s are less rigid. Type 9 can see different perspectives and why it makes sense.

If their wing is strong, this will play a major role in their decisions and thought processes. So, while they might not agree with decisions taken by others, they might be able to sympathize with it.

It’s the best you can get from them.

6.    More Considerate

Because they can see all angles to a situation, ISTJ 1w9s are more considerate of others. This is different from typical ISTJs who are thinkers.

Thus, this personality type might show more tact when talking to others and will be less insensitive.

However, this depends on the strength of their wing.

New Weaknesses of the ISTJ 1w9

1.    More Judgmental

While they can be more considerate and diplomatic, type 1 is still a type 1. So, the flaw of being critical of others and their background is still in there.

They might not even voice it out, but it’s in their thoughts and feelings. The presence of type 9 might reduce how judgemental they are to others. However, it’s something that is usually present.

2.    More Complacent

Type 9 is known for being complacent. Type 1 is the complete opposite. So, while this personality type is professional and hard-working, they’ll have times when they will drop off or slack.

However, it won’t be that bad. In fact, you can almost say they deserve this time out for all the work they put in. Don’t just tell them though.

3.    Internalized Anger+Repressed Anger

Type 1 is known for internalizing their anger and blaming themselves for their mistakes. Type 9 is known for repressing the anger they feel towards others and their actions.

The combination in one person makes them a very volatile person. They might always seem in control. However, there’s anger brewing just beneath the surface.

ISTJ 1w9s need to deal with their anger issues as soon as it rears, at its head.

4.    Perfect Standards

Perfectionism is evident with ISTJs. Type 1 heightens it in this personality type. They have high standards and expect nothing less than perfection from themselves. This can be hard to attain or near impossible.

This can take a toll on their self-confidence or esteem. In worst-case scenarios, it can lead to depression.

ISTJ 1w9 in the Workplace

ISTJs love jobs that involve problem-solving and analysis. This personality type has similar preferences. They also enjoy career paths that encourage doing good or are concerned with justice.

Because of their wing, jobs that involve diplomacy and solving disputes might also be appealing. To get the best out of the ISTJ 1w9, make sure their role is humanitarian in nature. If it involves problem-solving, even better!

Best Careers for the ISTJ 1w9

  • Lawyer
  • Politician
  • Counselor
  • Arbitrator
  • Mathematician
  • Accountant
  • Mediator
  • Clergy/Missionary
  • Volunteer
  • Pharmacist
  • Physician
  • Dentist
  • Paralegal
  • Ambassador

Worst Careers for the ISTJ 1w9

  • Blogger
  • Entrepreneur
  • Receptionist
  • Psychologist
  • Photographer

Famous/Fictional Characters that are ISTJ 1w9

  • Raymond Holt (Brooklyn Nine-Nine)
  • Front Man (Squid Game)
  • Angela Martin (The Office)
  • Eddard Stark (Game of Thrones)
  • Natalie Portman
  • Master Shifu (Kung Fu Panda)
  • Angela Merkel
  • Xi Jinpeng


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