1. Become someone worth following by creating quality contents, contents are valuable to the audience.
2. Do Facebook LIVE Broadcasts as Facebook gives premium relevance to live broadcasts.
3.. Run Facebook Ads. Spice up your posts with quality Ads. Ads on their own attract followers.
4. Give people reason to follow you like creating a suspense which will make them expect more.
5. Make sure your content is shareable. Ask for shares and make the sharing look good.