You can gain followers by creating a brand image through your username. What I mean is use twitter, Instagram or any of the adult creator platforms to help promote yourself. It is a way to tease people and get them to want to see more. Pay attention to the times when you see the most people watching your broadcast. This way you can try to build a schedule from that time frame. Just some thoughts for what it might be worth.

Social media and hashtags. Be sure to tag the cams sites you're on and an any content sites you use. Be careful since most of the social media sites don't allow NSFW content.