Unfortunately no, the only way to get new ranks is by posting. The first rank only requires five posts, though. There may be some casual topics in General Discussion you would like.
You can post in the fan clubs Easy way to posts, since there's always the topic of discussion of your favorite pony, and easy way to make some new friends with similar interests, too
Easy way to posts, since there's always the topic of discussion of your favorite pony, and easy way to make some new friends with similar interests, too