zu-infinitive of über seine Verhältnisse leben

(When a person who has done a favor or been helpful (or by extension a thing that has been useful) but whose services are no longer needed is ungratefully replaced, dismissed or let go.)

(possessive) dative masculine/neuter singular of sein

his (substantival possessive)

genitive of er / genitive of es

inflection of sein:
/ inflection of sein:

neuter singular of seiner

(possessive) genitive masculine/neuter singular of sein

(possessive) inflection of sein:
/ (possessive) inflection of sein:
/ (possessive) inflection of sein:

(idiomatic) to resign; to quit