New Delhi, April 30 -- A pro-Russian activist accused of backing a failed coup in Benin appeared in court Wednesday in South Africa over separate charges of attempting to illegally leave that country with the help of a member of a far-right white nationalist group.

Kemi Seba, a prominent Beninese influencer, faces charges of conspiracy to commit a crime and immigration violations. He also faces extradition to Benin, where he was declared wanted for "inciting rebellion" after publicly backing a failed coup there last December.

Seba, whose legal name is Stellio Gilles Robert Capo Chichi, was born in France to Beninese parents but was stripped of his French citizenship.

He remains in custody after a judge Wednesday postponed a bail hearin...