What a great thread!
Meesha would be a nurse, scurrying about making sure everyone was comfortable, administering healing licks, and worrying that everyone is alright and taking their medicine. She'd have to have protracted sit-downs to get over it all, though.
Shanti would have to be a spy, a la James Bond. Following everso stealthily, nosing into everything, and executing the odd ambush!
Sabby ... well, he would never have a profression, as he would never grow up! He is the feline equivalent of a naughty little boy with conkers, bits of string and sticky sweets in his pockets! He always comes home with mud halfway up his legs, cobwebs on his face, or stickybuds in his fur! He dashes in, always pleased to see me, and greets enthusiastically before asking what's for tea!