Abidance means that
some one near s in a case the other person who is better than him
and agrees with him and feels humble toward him .They are like
chief and subordinate .Such a person can move without the one who is
better , but accept his thoughts because he is better.
It means that he disregard himself and accept his thoughts , so
abidance is prior to following and the following is surely
dutiful.
Imitation means one who
follows in his beliefs,traditions , behavior and living ,the
instruction of his masters, fathers , great man , i.e. he considers
himself unable in an affair so he follows the connoisseur and
accepts completely whatever he says.
In imitation ,the
person has no idea and is unable ,so he is back for one degree,it
means that the person imitating ,obeys too.
(imitation is a sub
category of abidance and they are both sub categories of
imitation).