You will need 46 posts if you want to be a junior member
If you want to be a member, you need 90 posts
If you want to be a full member, you need 136 posts
If you want to be a senior member, you need 312d post
If you want to be a Hero member, you need 700 posts
If you want to be a legend, you need 1200 posts
If you want to be a MyThel member, you need 5000 posts
If you want to be a Padwan member, you need 10000 posts
This way you can gradually move up the ranks.