By calling him Lichi, you show your respect for him. You cannot call him, "Fusen, Fusen."

那么叫他蠡痴，这是尊重他，你不能叫他富森、富森。

youdao

For example, Professor Yang's official name is Fusen, but he gave himself another name, Lichi.

譬如这个杨教授，他名字叫富森，他自己起一个别号叫蠡痴。

youdao