dad
(informal), daddy (informal), pop (informal), pater (UK, dated slang or
humorous)
ancestor,
forefather, forebear, predecessor, founder, progenitor, patriarch
antonym: descendant
founder,
originator, initiator, contriver, architect, author
priest,
minister, pastor, padre, vicar
beget,
sire, engender, procreate, get (archaic), spawn
protect,
comfort, advise, look after, nurture, take care of