hegemon / tyrant / lord / feudal chief / to rule by force / to usurp / (in modern advertising) master
霸
=
䩗
+
雨
:
As it started to rain (雨) in the ashram's bathroom (a4) Beelzebub (b) covered the moon (䩗) with a cow's hide (䩗) so that it doesn't get wet, but soon a mean tyrant (霸) came by and stole the cow's hide.