The man who wanted to be hired by someone is the speaker in the poem or we can say that the poet is the speaker in the poem. His name is Rabindranath Tagore

Opinion of the Speaker in 'The Last Bargain'
The speaker in the poem 'The Last Bargain' expresses a deep sense of regret and disillusionment. The speaker seems to be reflecting on a past decision or bargain that they made, which has now left them feeling empty and betrayed.

Feelings of Regret
The speaker's tone throughout the poem is one of sadness and regret. They lament the fact that they have given away something precious in exchange for something worthless. This sense of loss is evident in lines such as "I gave my youth for a piece of bread," indicating that the speaker feels they have sacrificed something valuable for very little in return.

Sense of Betrayal
The speaker also conveys a feeling of betrayal, as they realize that the bargain they made was not worth it. They feel deceived by the other party in the bargain, who promised them riches but only delivered misery. This sense of betrayal is highlighted in lines like "I gave my love for a foreigner's gaze," suggesting that the speaker feels used and taken advantage of.

Theme of Materialism
The poem also touches upon the theme of materialism and the emptiness of pursuing wealth at the expense of more meaningful things like love and youth. The speaker's regret at having made such a bargain reflects a deeper message about the hollowness of material possessions and the importance of more intangible values.
In conclusion, the speaker in 'The Last Bargain' conveys a sense of regret, betrayal, and disillusionment over a past decision that has left them feeling empty and dissatisfied. The poem serves as a cautionary tale about the dangers of prioritizing material gain over more important aspects of life.