co-worker /kō-wûrˈkər/

1. An associate, colleague
2. Someone who works with one on a project, etc

• pest
• Pestalozzian
• pester
• pestered
• pesterer
• pesterers
• pestering
• pesteringly
• pesterment
• pesterments
• pesterous
• pester power
• pester powers
• pesters
• pestful
• pesthouse
• pesthouses
• pesticidal
• pesticide
• pesticides
• pestiferous
• pestiferously
• pestilence
• pestilences
• pestilence-stricken