Yes when you have such a specific niche you write about, it can be difficult to find others who share your interests.

Maybe take one of your tags (ie. sports, fantasysports, etc) and search it in the search bar. Maybe you can connect with others.

Once you find another member who shares the same posts, topics and tags as you... look at who UPvoted and commented on their posts. Go to those people's pages and start looking at their posts. Comment there and make sure to mention your common interests, etc- this can help you get a following unique to your interests.

Curation rewards & your benefits-

0 minutes 100% of the curation reward goes to the author
3 minutes 90% goes to the author and 10% to the curator
15 minutes 50% goes to the author and 50% to the curator
27 minutes 10% goes to the author and 90% to the curator
30 minutes + 100% of the curation reward goes to the curator

The information above was taken from this post Earn STEEM by Upvoting [How Curation Rewards Work on Steemit]

Hope this helps you