'be a spotlight' is correct and usable in written English.
You can use it when referring to someone or something that is being focused on or is the subject of attention. For example, "The singer was the spotlight of the evening."
I'm not telling people where to give money, but if there is to be a spotlight shed on me, then I'd like to direct that spotlight on to causes I think are worthy or on to interesting, progressive figures".
When he wrote about Catonville in his 1987 autobiography, "To Dwell in Peace," Berrigan characterized celebrity as something like a purifying fire: "There was shortly to be a spotlight on us: it was thin as a pencil slate, and would pierce us through and through; a testing light that touched on the very soul, and illumined and burned.
"There'll be an expectation heaped upon them by the media and there'll be a spotlight on them [throughout] the whole season, in terms of the football club and the manager to win promotion.
And on Burrell Lancaster said: 'It will be interesting to see how he goes because there will be a spotlight on him and there will be pressure on him.
Even in crisis, there will be a spotlight.
However, there has to be a spotlight on the mental health concerns of police officers as it relates to the issue of public safety.
"He could be a spotlight-grabbing advocate or he could be utterly invisible, insidious and influential". Mr. Graff was known for writing concise, one- or two-paragraph missives that crystallized key policy questions.
I'm a spotlight operator.
Maybe there's a spotlight, but maybe there isn't.
Twitter Patter is a spotlight on Twitter accounts in New York.
Suddenly there was a spotlight on the party's shortcomings.
