hali

/ xali /

Cases

SingularPluralWhen to use it
nominative hali the character halile the characters the plain dictionary form — the doer of the sentence
genitive halini the character's halileni the characters' the owner — whose it is
accusative halini the character (as the object) halileni the characters (as the object) a specific, known object — whom or what
dative halige to the character halilege to the characters direction or recipient — to where, to whom
locative halide at / in the character halilede at / in the characters where it is; also having — mende bar, "I have it"
ablative haliden from the character halileden from the characters 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 halim my character halilerim my characters
your haliŋ your character halileriŋ your characters
his / her halisi his / her character halileri his / her characters
our halibiz our character halileribiz our characters
you all's haligiz you all's character halilerigiz you all's characters
their halileri their character halileri their characters

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