Here’s a refreshed version in UK English, tightened up and a bit more polished while keeping your meaning:
Amer is a Welsh Harp resident and has worked in the NHS since 2005. He graduated in Medicine (MBBS) and holds an MSc in Clinical Haematology, as well as a Diploma in Primary Care Health Management. Throughout his adult and professional life, he has shown a strong interest in politics and a consistent commitment to issues affecting both local residents and the wider community. He is particularly passionate about promoting cohesion and integration, and helping to break down stigma and prejudice.
A local councillor since 2014, Amer’s focus is on supporting Welsh Harp residents to meet today’s challenges and plan confidently for the future. His priorities include healthy living, protecting and improving green spaces, excellent inclusive education, a safe neighbourhood, and high-quality homes. He is committed to effective representation for Welsh Harp residents and to ensuring minority communities are heard and supported.