I think the last one is correct
Answer:
- Giving money instead of gifts on marriages.
- Giving money to children on special religious events.
- Financially helping relatives or friends during medical emergencies.
- Giving a present at the birth of a new child.
Explanation:
These social norms might sound like they are present in many other societies. If you are more specific about your culture or the country/sub-continent you belong to, I will be able to give more culture specific norms.
<span>Teacher/student
The senpai in Japanese culture is a kind of mentor, of upper class or upper age so this is similar to a teacher. Kohai is the equivalent of a student, or a protegee, and is usually younger. </span>