無報酬

1. Origins, structure, and basic meaning

• Structure: 無報酬 is read as むほうしゅう and functions as a noun or na-adjective for work or activity performed without compensation.
• Basic usage: Helping without pay appears in 無報酬で手伝う, while unpaid work appears in 無報酬の仕事.

2. Common pitfalls and similar expressions

• Absence of compensation
  • 無報酬 means that no wage or honorarium is received for the work; it does not by itself state whether the work was volunteered.
• Difference from 無料
  • 無料 means the recipient pays no fee for a product or service, while 無報酬 means the person providing the work receives no compensation.