宗主

head of a clan / natural leader / person of prestige and authority in a domain / suzerain

school / sect / purpose / model / ancestor / clan / to take as one's model (in academic or artistic work) / classifier for batches, items, cases (medical or legal), reservoirs

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

suzerain state / mother country (of a colony)

suzerainty