Who is Ibrahim from Woman at Point Zero and what is their importance?

Ibrahim is a short, stocky man with fuzzy black hair and black eyes who works with Firdaus after she quits prostitution. He comforts her in the garden when she cries, and they begin an affair, causing Firdaus to fall in love with him. When Ibrahim gets engaged to the chairman's daughter, Firdaus quits her job. She refuses sex with him four years after his marriage, but several years later, she agrees and charges Ibrahim for sex. Firdaus realizes that Ibrahim never loved her and only came to her for free sex.