Complex sentence: In "Enter the Dojo" he knows the ninjas secret identity and promise not to tell the ninja secret and to help fix the dojo, repair Yamato and help enable Hologramps at the dojo.
Split into simpler sentences: In "Enter the Dojo" he is given the knowledge of the ninjas secret identity and swears to secrecy. He is the one to help fix the dojo, repair Yamato and help re-enable Hologramps at the dojo.