Active job searching is what someone does when they are ready to take on a new position. They may be already employed or currently seeking employment, but either way, they are actively looking for a role. They may be doing this by reaching out to recruiters, submitting job applications, or browsing job listings. The reason for looking for work can vary; whether they have resigned from their role, have been made redundant, or are re-entering the workforce.
For HR professionals and recruiters, active job seekers are the easiest to access because they want to be found. It is passive job candidates that recruitment teams must work harder to gain applications from.