Synonyms of the word

self-sustaining

• adj. Able to provide for one's own needs without help from others; self-sufficient.
• adj. Opposing or rejecting exterior influence; independent.

independent

• adj. not dependent; not contingent or depending on something else; free.
• adj. (politics) not affiliated with any political party.
• adj. Providing a comfortable livelihood.
• adj. Not subject to bias or influence; self-directing.
• adj. Separate from; exclusive; irrespective.
• n. A candidate or voter not affiliated with any political party, a freethinker, free of a party platform.
• n. A neutral or uncommitted person.
• n. (sports) A team not affiliated with any league or conference.

self-sufficient

• adj. Able to provide for oneself independently of others.
• adj. (Can we verify^{([fullurl:Wiktionary:Requests for verification/English?? +])} this sense?) (of a person)…