宗主国

suzerain state / mother country (of a colony)

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

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

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

surname Guo

country / nation / state / national / CL:個|个[ge4]