maşinist

/maʃinist/

Cases

SingularPluralWhen to use it
nominativemaşinistthe operatormaşinistlethe operatorsthe plain dictionary form — the doer of the sentence
genitivemaşinistnithe operator'smaşinistlenithe operators'the owner — whose it is
accusativemaşinistnithe operator (as the object)maşinistlenithe operators (as the object)a specific, known object — whom or what
dativemaşinistgeto the operatormaşinistlegeto the operatorsdirection or recipient — to where, to whom
locativemaşinistdeat / in the operatormaşinistledeat / in the operatorswhere it is; also having — mende bar, "I have it"
ablativemaşinistdenfrom the operatormaşinistledenfrom the operatorswhere 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
mymaşinistimmy operatormaşinistlerimmy operators
yourmaşinistingyour operatormaşinistleringyour operators
his / hermaşinistihis / her operatormaşinistlerihis / her operators
ourmaşinistibizour operatormaşinistleribizour operators
you all'smaşinistigizyou all's operatormaşinistlerigizyou all's operators
theirmaşinistleritheir operatormaşinistleritheir operators

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