This is the 13997th most frequent Spanish word.
sumársele
"Sumársele" means "to join or add oneself to something or someone."
The reflexive verb 'sumársele' indicates joining the team, particularly with a reflexivity hinting the subject adding themselves to the group.
Se decidió sumársele al equipo para apoyar en el proyecto.
It was decided to join the team to support the project.
Here 'sumársele' reflects the action of Juan actively engaging in the discussion.
A Juan le tocó sumársele a la discusión para ofrecer su perspectiva.
Juan had to join the discussion to offer his perspective.
In this sentence, 'sumársele' signifies individuals collectively joining a common purpose or effort.