As per the last message here:
https://bitcointalksearch.org/topic/m.57007800
So lucifer was the one who was hired to do this job?
But generally speaking, you should make it clear that the project was to be dealt with on Upwork. Hence this does not concern the bitcointalk Scam Accusations - in which you should lodge a complaint on Upwork or however they deal with such problems because I dont freelance and I have no idea how they function. Dont think anybody would be willing to support a flag against them without evidence from both sides.
Still you could withhold the payment till the work was complete, that usually the leverage on your side till completion, that was a mistake from your side.
Usually ANN threads can be prepared by putting these images one after another with the proper BB code. Take a look at this topic:
Instructions on how to use BBCode