A person who doesn't fit in, doesn’t belong, kind of an outcast, without an achieving, personality, can't find a place for their personality to strive, can't seem to develop a personality.
Refers to an individual that moves frequently and has a hard time to make friends.
"My belief for having such a bland personality is the cause of my family moving many times. The more we moved, the harder it was to make friends. No wonder I’m such an air child.”