I would like to nominate @HarshithaKP as a collaborator. They have been active in the project for a while, and making contributions in many ways:
Commits in nodejs/node: https://github.com/nodejs/node/commits?author=HarshithaKP
Pull requests and issues in nodejs/node: https://github.com/nodejs/node/issues?q=author:HarshithaKP
Comments on pull requests and issues in nodejs/node: https://github.com/nodejs/node/issues?q=commenter:HarshithaKP
Reviews on pull requests in nodejs/node: https://github.com/nodejs/node/pulls?q=reviewed-by:HarshithaKP
Help provided to end-users and novice contributors: https://github.com/nodejs/help/issues?q=commenter:HarshithaKP
Pull requests and issues opened throughout the Node.js organization: https://github.com/search?q=author:HarshithaKP+org:nodejs
Comments on pull requests and issues throughout the Node.js organization: https://github.com/search?q=commenter:HarshithaKP+org:nodejs