hater

/ xater /

Cases

SingularPluralWhen to use it
nominative hater the favour haterle the favours the plain dictionary form — the doer of the sentence
genitive haterni the favour's haterleni the favours' the owner — whose it is
accusative haterni the favour (as the object) haterleni the favours (as the object) a specific, known object — whom or what
dative haterge to the favour haterlege to the favours direction or recipient — to where, to whom
locative haterde at / in the favour haterlede at / in the favours where it is; also having — mende bar, "I have it"
ablative haterden from the favour haterleden from the favours 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 haterim my favour haterlerim my favours
your hateriŋ your favour haterleriŋ your favours
his / her hateri his / her favour haterleri his / her favours
our hateribiz our favour haterleribiz our favours
you all's haterigiz you all's favour haterlerigiz you all's favours
their haterleri their favour haterleri their favours

The overlap in the last rows is real, not a mistake: haterleri can mean "his / her favours", "their favour", or "their favours" — context decides.