coacher
n. 教练；家庭老师；拉车的马
例句
Do you still remember, he is my coacher.
还记得吗，这是我的帅哥教练。
It is easy for the coach, but harder for the coacher.
教练过程是简单的，但是对教练师来讲是难的。
Authorized coacher of American Certification Institution (ACI);
美国认证协会（ACI）授权导师；
