If you describe someone as a father figure, you mean that you feel able to turn to that person for advice and support in the same way that you might turn to your father.
She believed her daughter needed a father-figure.
He became a father figure to the whole company.
father figure in British English
(ˈfɑːðə ˈfɪɡə) or father-figure
noun
someone who is thought of as taking the place of a father and being the person you can turn to for advice, support, guidance, or help