father figure

English Thesaurus

1. a man who takes over all the functions of the real father (noun.person)

hypernym	:	adult male, man,
definition	:	an adult person who is male (as opposed to a woman) (noun.person)

hyponym	:	foster father, foster-father,
definition	:	a man who is a foster parent (noun.person)

hyponym	:	stepfather,
definition	:	the husband of your mother by a subsequent marriage (noun.person)