Used about a person who can/does manipulate other people’s opinion or minds - Not necessarily in a negative way.
A mindweavers methods is in no way related to hypnosis or Indoctrination, it is related to manipulation, sweet talk, and gossiping.
Mindweaving is done in order to gain from it, (The gain could be anything, sex, money, politics, ect.)
Mindweaving could also be used to move a specific situation in a preferred direction that suits the mindweaver.
In many ways a mindweaver is similar to a spin-doctor but on much smaller scale.