Mtchali's 'Nightfall in Soweto'is about one of the following

We returned to our places,these kingdoms ,
But no longer at ease here,in the old dispensation,
With an alien people clutching their goods.
I should be glad of another death.
The author of these lines is

In a 'Portrait', a poet writes:
At mankind's feast,i take my place
In solemn,sanctimonious state,
And have the air of saying grace
While i defile the dinner plate.
The tone of this passage may be described as

Our attitude to the hero of George Elliot's Sill Marner is one of