物各有主

everything has a rightful owner (idiom)

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

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

thing / object / matter / abbr. for physics 物理

each / every