Ruthless (adjective) سنگدل، بے درد، بے رحم

having or showing no pity or compassion for others.
Example: “a ruthless manipulator”
Cripple (verb) معذور ہونا، لنگڑانا

cause severe and disabling damage to; deprive of the ability to function normally.
Example: “developing countries are crippled by their debts”