Keep Your Hand on The Plow Lyrics

Lyric discussion by batcat89 

Cover art for Keep Your Hand on The Plow lyrics by Mahalia Jackson

Hi, can anybody tell/explain me the right meaning of the second part ("You can talk about me ...") of this beautiful song? I would be very grateful. I am not a native english speaker, so sometimes it is difficult for me to understand half hidden / metaphoric meanig of songs.Thank you very much.