The phrase "several others" means more than a few additional people or things. It suggests that there are multiple other individuals or objects in addition to the ones already mentioned. Full definition
You will be living with several other people in your same situation. (rentersinsurance.net)
You must have heard of this website in several other forms of hook - ups, but it is perfect to hop on if you are straight and want to have a shot! (tinderalternatives.com)
The accounting supervisor's duties, depending on the type of the company's business, may also include directing or managing the activities of several other departments as well. (jobdescriptionandresumeexamples.com)