Retrograde Guru: rules 3 and 6 house(s)
Retrograde 6th lord is good. Enemies and illnesses are weakening, creditors may not demand to repay the debt immediately, agree to deferrals. It also suggests that some enemies and illnesses (or their absence) are associated with the karma of past lives.
The retrograde owner of the 3rd house — a karmic relationship with a younger brother (sister), some indecision, fear of risk. In some cases — about talent in writing, preaching, drama.
Source: Rami Bleckt