This is the 2710th most frequent Turkish word.
önder
Leader.
Here, 'önder' is used as a noun meaning 'leader', referring to someone who guides or directs a group.
Atatürk, Türk milletin önderidir.
Atatürk is the leader of the Turkish nation.
In this sentence, 'önder' is a noun that signifies someone who takes the lead or charge in an endeavor like a project.
Bu proje için bir önder arıyoruz.
We are looking for a leader for this project.
Here, 'önder' is used as a positional noun describing the role of a person assuming leadership, emphasizing their responsibility to offer meaningful contributions.