kommunist

/ kommunist /

Cases

SingularPluralWhen to use it
nominative kommunist the communist kommunistle the communists the plain dictionary form — the doer of the sentence
genitive kommunistni the communist's kommunistleni the communists' the owner — whose it is
accusative kommunistni the communist (as the object) kommunistleni the communists (as the object) a specific, known object — whom or what
dative kommunistge to the communist kommunistlege to the communists direction or recipient — to where, to whom
locative kommunistde at / in the communist kommunistlede at / in the communists where it is; also having — mende bar, "I have it"
ablative kommunistden from the communist kommunistleden from the communists 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 kommunistim my communist kommunistlerim my communists
your kommunistiŋ your communist kommunistleriŋ your communists
his / her kommunisti his / her communist kommunistleri his / her communists
our kommunistibiz our communist kommunistleribiz our communists
you all's kommunistigiz you all's communist kommunistlerigiz you all's communists
their kommunistleri their communist kommunistleri their communists

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