mafioso and his gang

Once upon a time, in a mafioso's gang, or rather in his mansion, everyone was having a hard day, and yes, perhaps you should be introduced to who they are and who does what.
Jan plays cards with Ethan and the caporegime
caporegime-igrayeь with Yanom and Ethan
itan-igrate with Yanom and caporegime
Boris cleans his weapon
Lucien is drinking
The mafioso sits in his office and works with documents.
You do what you want and yes, you are their nurse of luck.