Read the text and match the definitions with the underlined words:
1. Cruel, severe;
2. Show signs of great happiness;
3. Member of a tribe that travels about;
4. Animals kept for use or profit;
5. Time of the year when day and night are of equal length;
6. Being useful or desirable;
7. Need, rely on in order to exist;
8. Means of living;
9. Having or showing experience, knowledge, good judgement;
10. Make new;