A Inferiority complex refers to the feeling that one lacks worth and doesn't measure up to the standards of others or of society.
Step-by-step explanation:
Superiority and inferiority are two main complexes faced by human beings which either leads or lags the self esteem one has within them-self. Both are dangerous as superior feeling give them outrageous power and stubborn attitude where they often disrespect others.
Whereas inferior feeling makes them shy, leads to depression as they lack social abilities to communicate with others and isolate themselves from the crowd. Even-though they are capable they have the feeling they are not which might be the result of one or two failures.