# What is the actual name of the condition where one has the absolute desire to be in a group?

Is the following a medical condition by itself, and if so what is could be its name? If not, how can it be described?

There are 3 groups in a set of people (a,b,c). A member (let's say m) of group a, is trying very hard to become (look and feel like) a member of b as best as possible. m communicates (tries to) with members of b, works toward/with b and simulates (or actually feels) the feelings of members of b toward group a (its own group) and c. m does not recognize it is a member of a, but lives an active life of a member of a.

This may sound awkward as a whole, but I don't believe I have the correct keywords to research what kind of behaviour or (if) a mental disorder this is.

Note: To make it more understandable, a,b,c can be interchanged with orcs, elves and ents if you're into LotR.

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Well, fictional examples won't help us in this case. The answer will depend on who "m" is and what groups "a", "b" and "c" represent. If "m" is a girl ("a") who wants to be a boy ("b"), the "condition" (transgender) is completely different than if "m" is of foreign ("a") descent but believes to be a native ("b") and hates foreigners (xenophobia). –  what Apr 1 at 13:26
Didn't realize there were different types. There are 2 sets of groups. In one set, the groups are divided by their financial well being. a is extremely rich, b is extremely poor, c is middle class. In the other set, the groups are defined by ideas. a is against animal rights, b is very pro animal rights, c doesnt care. –  mechanicum Apr 1 at 13:52
Do the two sets completely overlap, partially or not at all? But the way the question is worded, you seem to be asking about a lack of specific self-and-group awareness. EG. I belong to the group of people with a nervous tick, I know this, others notice it too. I only developed this tick when another tick I had had was pointed out to me - which I consciously stopped. Once I was told about the tick, I then became aware of it, but prior to that I seem to fit your criteria. Are you asking about someone who has been told they are an ork/ent/elf and still deny it? If so then delusional is the word. –  Duckisaduckisaduck Apr 1 at 20:03
Doesn't really sound like a disorder according to your description as is. Is it causing major social problems? Interfering with other goals? Causing personal distress? Due to a truly irrational and involuntary departure from reality? I suppose it's odd not to acknowledge which class one belongs to... –  Nick Stauner Apr 1 at 20:27
@Duckisaduckisaduck Excatly, but s/he cannot understand the logic. It doesn't create major social problems but frustrates orc group because for example, they cannot shoot as well as the elf which creates further other problems related to stress, frustration, etc. Delusional Disorder seems to be what I'm looking for. –  mechanicum Apr 2 at 6:20