We use the term "Tasker" to refer to users who record activities or tasks via the Task mobile application.
"Verifiers" refer to users who have been asked to check tasks that have been submitted by Taskers - they can accept or reject these completed tasks.
"Projects Owners" (POs) are the account owners who create the projects - they invite or recruit the teams and decide who verifies the tasks.
NOTE: Task verification is completely optional. Tasks can be setup so that verification is not required.