dezhurnıy

/deʒurnɯj/

Cases

SingularPluralWhen to use it
nominativedezhurnıythe duty officerdezhurnıylathe duty officersthe plain dictionary form — the doer of the sentence
genitivedezhurnıynıthe duty officer'sdezhurnıylanıthe duty officers'the owner — whose it is
accusativedezhurnıynıthe duty officer (as the object)dezhurnıylanıthe duty officers (as the object)a specific, known object — whom or what
dativedezhurnıyğato the duty officerdezhurnıylağato the duty officersdirection or recipient — to where, to whom
locativedezhurnıydaat / in the duty officerdezhurnıyladaat / in the duty officerswhere it is; also having — mende bar, "I have it"
ablativedezhurnıydanfrom the duty officerdezhurnıyladanfrom the duty officerswhere 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
mydezhurnıyımmy duty officerdezhurnıylarımmy duty officers
yourdezhurnıyıngyour duty officerdezhurnıylarıngyour duty officers
his / herdezhurnıyıhis / her duty officerdezhurnıylarıhis / her duty officers
ourdezhurnıyıbızour duty officerdezhurnıylarıbızour duty officers
you all'sdezhurnıyığızyou all's duty officerdezhurnıylarığızyou all's duty officers
theirdezhurnıylarıtheir duty officerdezhurnıylarıtheir duty officers

The overlap in the last rows is real, not a mistake: dezhurnıyları can mean "his / her duty officers", "their duty officer", or "their duty officers" — context decides.