The phrase 'off from him' is correct and usable in written English.
It is used to express that something or someone has moved away from someone else. For example: 'The dog ran off from him.'.
And I've backed off from him for a while".
Although Jayne is getting a bit of a telling off from him.
His other punishment was losing his security clearance, which essentially sealed off from him a community in which he had flourished.
I tried to fight my way off from him on top of me then he was trying to break my arm by twisting it behind my back.
In 1986 he published The Prince Of Tides, drawing on the psychological problems of one of his sisters, Carol Ann, who thereafter cut herself off from him.
Dan then admitted his fantasies about my past lovers, his fear that they had accessed parts of me that were walled off from him.
She was dragged off, away from him, out of the banda, and across the sand.
"Listen: if you need a night off from having him at home, he can always stay in the guest house".
Moving away from him, setting off on their own.
He cuts him off from the ball, takes him right out of the game".
He co-founded Facebook at age 21, then left two years later with a legal settlement that cut him off from Facebook but left him phenomenally wealthy.
