Definitions:

1. the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community noun
   • unlike champerty, criminal maintenance does not necessarily involve personal profit

Synonyms:

• alimony
• care
• criminal maintenance
• sustainment
• sustenance
• sustentation
• upkeep