This is the 2539th most frequent Chinese word.
現任
Incumbent; currently holding a position or office.
In this sentence, 現任 ('current') is used to describe the position or title held by the person referred to at the present moment.
現任總統正在宣布新政策。
The current president is announcing new policies.
Here, 現任 adds the temporal context to 'manager,' indicating that he currently holds this specific role.
他是公司的現任經理，負責主要業務。
He is the current manager of the company, responsible for main business operations.
The term 現任 is utilized to specify that the referenced class teacher is the one presently appointed for the role.