ぶか部下buka
1.

A person who works under someone else, receiving instructions and orders from that individual.

2.

An individual who follows the commands of a superior and performs tasks as directed.

3.

A member of a team or organization who operates under a higher authority, executing tasks based on that person's guidance.

Example:

主任は部下を意のままに支配している。

ふくしん腹心fukushinnoぶか部下buka
1.

A subordinate who has a deep and loyal connection with their superior, often involved in sensitive or confidential matters.

2.

A trusted aide or assistant who plays a crucial role in supporting leadership, often characterized by their strong loyalty and understanding of the leader's objectives.

3.

A member of a close-knit group within an organization who is relied upon for their discretion and ability to execute the leader's vision.