How the hell do I compete with fitness websites for traffic?

I have a fitness content website, and just hired a freelancer in India for seo. I have Instagram, FB, Twitter, and I post articles every other day. I know there is no easy answer, I would really like to know how to get some traffic to my Muscle Roast website? Do i just need to sit and wait for seo, keep doing social and writing articles? Doing everything alone.