Serendipity: [coined by Horace Walpole, from the Persian fairytale The Three Princes of Serendip]
1. The faculty of making fortunate discoveries by accident.
Voluntary: [from Lat. voluntārius, from voluntās will, from velle, to wish]
1. Performed, undertaken, or brought about by free choice, willingly.
2. Serving or acting in a specified function of one’s own accord and without compulsion or promise of remuneration.
3. Arising from natural impulse.
Poverty: [from Old French poverté, from Lat. paupertās restricted means, from pauper poor]
1. The condition of being without adequate food, money, etc.
2. Scarcity or dearth.
3. A lack of elements conducive to fertility in land or soil.
Collins English Dictionary - Complete and Unabridged 6th Edition 2003.