There are a couple of things to keep in mind here.
1. Gulf had a policy of hiring in the Muslim world whenever possible. It's easier to get qualified FO's in Egypt and Pakistan than Captains.
2. Because they are hiring out of third world countries, $184.00 USD per day is pretty good coin.
3. Like all of the Companies in the sandbox they pay foreign guests only what they have to. They paid the janitor in Doha when I was there about $300.00 USD a month.
4. Gulf pays pilots what they have to and they pay on time. It is a good place to build time on offshore but it is not exactly a fun place to work.
5. It's been a few years since I've worked there so if something has changed my apologies