each person; everyone; individually; respective
Used to indicate that each person in a group does something separately or has their own thing. Often appears in instructions, announcements, and formal writing. Can function as a noun or adverbially.
各自、昼食を持参してください。
Please bring your own lunch.
各自の責任で行動してください。
Please act on your own responsibility.
Please make your own copy of the materials.
Each person presented their own opinion.
The teacher handed out a printout to each student.
Whether to participate is left to each person's own judgment.
各自 means 'each person individually' and refers to people acting on their own, whereas 個別 is broader and applies to items, cases, or people being handled one by one.
各自 is a formal, administrative word meaning 'each individual' without any nuance of personal taste, unlike 思い思い which emphasizes acting freely according to one's own liking.
各自 means 'each person' and stresses individual responsibility, while 別々 simply describes things or actions being kept apart.