Widows and the poor? Then I'm entitled twice over

Naomi:

Not even a scrap to eat. My husband had two kinsmen here, Boaz and Tob, both men of means. Tob would only rebuff me. My husband was unkind to him. And as for Boaz... Ruth:
What about Boaz? Naomi:
It pains me to tell you, but he was the man at the border. Ruth:
The one who forced the Moabite to drink. Then don't go to either of them, Mother. Naomi:
But how will we live? Ruth:
That woman by the well. If she can get along by gleaning, then so can we. Naomi:
You? You, glean? Ruth:
They'll let me glean. Naomi:
Oh, it's not a question of letting. The law gives Widows and poor folk the right to glean, but I wouldn't let you. Ruth:
Widows and the poor? Then I'm entitled twice over