Beleaguer -trouble, harass

He tried to hold on the floor with his nails, but its surface was so polished that he miserably slipped on it. He found himself flat on the floor, a force pulling him from the back prevented him from standing up. He started screaming as loud as he could, but no one around could care.
Why causing me such a big pain?
He turned his head, that little motherfucker laughing, enjoying pulling his tail like nothing else in the world.
Then miraculously, a voice from above:
“Jim, leave the cat alone and come have dinner please”.

 

Implacable

He shook his head while polishing wine glasses – Jim had approached another young blond victim, his fists firm on the counter, performing his best jokes, the same he used each night at the bar.