"Multi-role playing" has distinct meanings across gaming, theater, and everyday life. Context determines the definition.
1. In Video Games & TTRPGs
Multiple Roles Within One Game: In MMORPGs (WoW, FFXIV), a single character can respec or equip different gear to fill Tank, Healer, DPS, Support roles — often called "hybrid" or "flex" play.
Role-Switching Mid-Session: Games like Deep Rock Galactic, Helldivers 2, or League of Legends (auto-fill) let players adapt roles per mission/match.
Alt Characters ("Alts"): Maintaining multiple max-level characters, each specializing in a different role.
TTRPG (D&D, Pathfinder): A player portraying multiple NPCs, or a GM running a "Gestalt" campaign where each player controls two classes simultaneously.
2. In Theater, Film & Performance
Double/Triple Casting: One actor plays multiple distinct characters in a single production (e.g., Peter Pan — Mr. Darling / Captain Hook; Hamilton — Lafayette / Jefferson).
Quick Changes: Requires distinct vocal/physical characterization, costume changes, and often backstage crew coordination.
Ensemble / Swing Roles: Performers cover multiple named roles as understudies.
3. In Psychology & Daily Life
Role Accumulation: Simultaneously occupying statuses — parent, employee, partner, volunteer, student — each with its own scripts and expectations.
Role Conflict vs. Enhancement: Competing demands (work deadline vs. child's recital) vs. skills transferring across domains (negotiation at work → bedtime negotiations).