There are many synonyms for the phrase 'serve people.' Some of the common synonyms are 'assist persons,' 'attend to individuals,' 'support humanity,' 'aid the masses,' 'help fellow beings,' 'facilitate the populace,' 'cater to the community,' 'provide for people,' 'accommodate the public,' and 'be of service to mankind.' All of these synonyms essentially convey the same meaning, which is to assist or support others in need. Ultimately, it is up to individuals and societies to serve and support one another, as it is crucial for any community to thrive and prosper.