'Leader' in the Bible

Hast thou not henceforth called to Me, 'My father, Thou art the leader of my youth?

And Pashhur son of Immer the priest -- who also is overseer, leader in the house of Jehovah -- heareth Jeremiah prophesying these things,

Their leader will be one of their own, and their ruler will come from among them. I'll bring him near, and he will approach me, for who would otherwise dare to approach me?' declares the LORD.