One who serves God can never be helpless. The more ardently one seeks communion by engaging in japa, His service and contemplation, the fuller will be His revelation.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
To collect people living around one's home and help them chant the Lord's Name is verily service to the Guru. Or to follow the special instruction given to him/her by the Guru is verily 'service' to the Guru.