bolşewik

/bolʃewik/

Cases

SingularPluralWhen to use it
nominativebolşewikthe Bolshevikbolşewiklethe Bolsheviksthe plain dictionary form — the doer of the sentence
genitivebolşewiknithe Bolshevik'sbolşewiklenithe Bolsheviks'the owner — whose it is
accusativebolşewiknithe Bolshevik (as the object)bolşewiklenithe Bolsheviks (as the object)a specific, known object — whom or what
dativebolşewikgeto the Bolshevikbolşewiklegeto the Bolsheviksdirection or recipient — to where, to whom
locativebolşewikdeat / in the Bolshevikbolşewikledeat / in the Bolshevikswhere it is; also having — mende bar, "I have it"
ablativebolşewikdenfrom the Bolshevikbolşewikledenfrom the Bolshevikswhere 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
mybolşewigimmy Bolshevikbolşewiklerimmy Bolsheviks
yourbolşewigingyour Bolshevikbolşewikleringyour Bolsheviks
his / herbolşewigihis / her Bolshevikbolşewiklerihis / her Bolsheviks
ourbolşewigibizour Bolshevikbolşewikleribizour Bolsheviks
you all'sbolşewigigizyou all's Bolshevikbolşewiklerigizyou all's Bolsheviks
theirbolşewikleritheir Bolshevikbolşewikleritheir Bolsheviks

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