Dependent on one's self; self-depending; self-reliant.
What does self-dependent mean?
: marked by dependence on one's own resources or exertions Left early to his own guidance, he had begun to be self-dependent while yet a boy …— Nathaniel Hawthorne.
Is self dependency a word?
noun. Dependence entirely upon oneself and one's own efforts, rather than on others; independence; self-sufficiency.