If you have a chess.com account, I recommend that you join this team.
If you have a lichess.org account, please join this team.
Write articles.
Analyze a chess game.
Create chess puzzles.
Post your content here if you joined the chess.com LearnChess group, or here if you joined the lichess.org LearnChess group.
Alternatively, if you haven't joined either group, you can send me a private message on lichess or chess.com.