what are the characters in the lion and the jewel?

The main characters in the Lion and the Jewel are as follows;

Sidi, the village beauty. She is the "jewel".

Baroka, the sly and powerful leader (Bale) of the village. He is also known as the Lion.

Lakunle, is the teacher. He is young, arrogant and modern, having been educated in the West. 

Sadiku is Baroka's first wife. 

what is the role that sadiku play in the love triangle between sidi, baroka and lakunle