udarnik

/udarnik/

Cases

SingularPluralWhen to use it
nominativeudarnikthe shock workerudarniklethe shock workersthe plain dictionary form — the doer of the sentence
genitiveudarniknithe shock worker'sudarniklenithe shock workers'the owner — whose it is
accusativeudarniknithe shock worker (as the object)udarniklenithe shock workers (as the object)a specific, known object — whom or what
dativeudarnikgeto the shock workerudarniklegeto the shock workersdirection or recipient — to where, to whom
locativeudarnikdeat / in the shock workerudarnikledeat / in the shock workerswhere it is; also having — mende bar, "I have it"
ablativeudarnikdenfrom the shock workerudarnikledenfrom the shock workerswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
myudarnigimmy shock workerudarniklerimmy shock workers
yourudarnigingyour shock workerudarnikleringyour shock workers
his / herudarnigihis / her shock workerudarniklerihis / her shock workers
ourudarnigibizour shock workerudarnikleribizour shock workers
you all'sudarnigigizyou all's shock workerudarniklerigizyou all's shock workers
theirudarnikleritheir shock workerudarnikleritheir shock workers

The overlap in the last rows is real, not a mistake: udarnikleri can mean "his / her shock workers", "their shock worker", or "their shock workers" — context decides.