Complex sentence: He then became a member of the Jama'at-e Islami Pakistan in 1978, reaching the rank of its Amir in 1987 and continues to serve in this capacity, getting re-elected regularly.
Split into simpler sentences: He then became a member of the Jama'at-e Islami Pakistan in 1978, reaching the rank of its Amir in 1987. He continues to serve in this capacity, getting re-elected regularly.