Complex sentence: He started a campaign for the fair wages and proper living conditions for the expat workers in manual labour, in the Arabian Gulf but was forced to discontinue this campaign due to the expat workers refusing to co operate for the fear of losing their jobs.
Split into simpler sentences: He started a campaign for fair wages and proper living conditions for expat workers in manual labour, in the Arabian Gulf. He was forced to discontinue this campaign when the expat workers refused to co operate with him, for the fear of losing their jobs.