This cat belongs to a Malay family living on the second storey. He suffered from injuries and skin problems, It was a caregiver who applied Revolution and Frontline-plus on this cat on different occasions. He is at risk of being abused, killed by cars, poisoned by chemical-filled drain water and "culled" or relocated by town council-activated pest controllers.
If this cat is a home-cat, keep him SAFE indoor.
"Downstairs" or homeless cats are managed by TnRm (Trap-Neuter-Release-Manage).