I recently found out my father has had a second family for years. I don't know what to do next.

I recently found out that my father has been married to another woman for the past six years, and I honestly don't know what to do next.

For some background, my father has worked abroad for most of my life. I only lived with him for about four years (from 9th to 12th grade), and those were some of the worst years of my childhood. There were constant fights between my parents almost every day or every other day. My father used to physically abuse my mother, and my mother would defend herself. Whenever he came home, the entire house felt tense. It felt like everyone was living in fear.

After that, he went back abroad. It's now been around 10 years since he last came home, and my mother hasn't spoken to him for the past three years.

Whenever I asked him when he would return, he always said he couldn't because of bank cases and a travel ban. I believed him.

Recently, I decided to look into what he was actually doing. That's when I found out he had married another woman who is about 25 years younger than him. According to him, they've been married for six years.

The hardest part is that my mother and my siblings have no idea. My sisters are now at the age where they should be getting married, but whenever the topic comes up, he says, "I don't have time for this." It feels like he has completely abandoned his responsibilities toward his first family.

What frustrates me even more is that he constantly lectures people about Islam, what is right, what is wrong. I struggle to take those lectures seriously because, from my perspective, he has spent years lying to us and hiding a second marriage. The hypocrisy is difficult for me to ignore.

Right now, I'm living in the same space as him, but I'm trying to leave as soon as I can and move somewhere else. I don't want to be part of his life anymore, and I have no interest in being involved with his second family.

Today, he even shouted at me in front of his second wife. Years ago, if we had been back home, I think he might have become physically violent. Here, it feels like he's trying to maintain a respectable image in front of others.

What I'm struggling with most is whether I should tell my mother.

If I tell her, I think she'll leave the house. The problem is that she has no independent source of income, and I'm worried about what would happen to her. If I stay silent, I feel like I'm helping keep a huge secret from her.

I feel angry, disappointed, and honestly just exhausted.

If you were in my position, what would you do? Would you tell your mother, or would you wait until you had a better plan to support her financially and emotionally? I genuinely don't know what the right next step is.