Concept:Identify the person who is not a Jain Acharya among the given options.
Explanation:Bhadrabahu is considered the last Shruta Kevalin in Jainism and was the spiritual teacher of Chandragupta Maurya.
Haribhadra was a Svetambara Jain mendicant, philosopher, and author who lived around 459–529 AD.
Siddhasena Divakara was a fifth-century Jain monk known for his works on Jain philosophy and epistemology.
Khema, however, was not a Jain Acharya; she was a Buddhist nun (a Theri) and a chief female disciple of Gautama Buddha.
She was born into a princely family at Sagala, married King Bimbisara of Magadha, and later became a follower of Buddha.
Since she belongs to the Buddhist tradition, she is not associated with Jainism as an Acharya.
Answer:Khema