cerlewçü

/ dʒerlewtʃy /

Cases

SingularPluralWhen to use it
nominative cerlewçü the one who saddles cerlewçüle the one who saddleses the plain dictionary form — the doer of the sentence
genitive cerlewçünü the one who saddles' cerlewçüleni the one who saddleses' the owner — whose it is
accusative cerlewçünü the one who saddles (as the object) cerlewçüleni the one who saddleses (as the object) a specific, known object — whom or what
dative cerlewçüge to the one who saddles cerlewçülege to the one who saddleses direction or recipient — to where, to whom
locative cerlewçüde at / in the one who saddles cerlewçülede at / in the one who saddleses where it is; also having — mende bar, "I have it"
ablative cerlewçüden from the one who saddles cerlewçüleden from the one who saddleses where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my cerlewçüm my one who saddles cerlewçülerim my one who saddleses
your cerlewçüŋ your one who saddles cerlewçüleriŋ your one who saddleses
his / her cerlewçüsü his / her one who saddles cerlewçüleri his / her one who saddleses
our cerlewçübüz our one who saddles cerlewçüleribiz our one who saddleses
you all's cerlewçügüz you all's one who saddles cerlewçülerigiz you all's one who saddleses
their cerlewçüleri their one who saddles cerlewçüleri their one who saddleses

The overlap in the last rows is real, not a mistake: cerlewçüleri can mean "his / her one who saddleses", "their one who saddles", or "their one who saddleses" — context decides.