1. Eze: This is the most common term, meaning "king" or "ruler". It's used for both traditional rulers and those in modern, political contexts.
2. Onye isi: This literally translates to "head person", and is used for a leader in general, including chiefs or elders.
3. Onye ochie: This translates to "old person" and is used for someone with significant authority and respect, often within their community.
4. Onye nwe obodo: This means "owner of the land" and is used for the traditional ruler of a community.
5. Nna ochie: This translates to "old father" and is often used as a respectful title for an elder, especially one who holds a position of leadership.
The most appropriate term depends on the specific context and the type of leadership being referred to. It's always a good idea to ask a native Igbo speaker for clarification to avoid any misunderstandings.