A person who enters a place or situation.

Someone who puts themselves in a certain position or role.

किसी स्थिति या भूमिका में स्वयं को डालने वाला

English Usage: As an enterer in the project, she took on many responsibilities.

Hindi Usage: परियोजना में प्रवेशक के रूप में, उसने कई जिम्मेदारियाँ लीं।