It is what you would call a "vulgarism". Not really obscene (swearing), but not polite language, either.
"Dush bag" appears to be a misspelling or variation of "douchebag," which is considered a derogatory term. It is often used to insult someone perceived as obnoxious or self-important. While it's not a traditional swear word, its usage can be offensive in certain contexts.
No, swagger is not a swear word.
No, joks is not a swear word.
It's not a swear word. It's not a curse word either. Heck is never a swear word if people think it's a swear word they are completely wrong.
The Kikuyu word for the English word swear is kuapa.
no feck is not a swear word feck is slang.
No! But sometimes it is a swear word.
"Asked" is not a swear word.
analise is not a swear word because I've never heard it is a swear word and it's often used to names.
It is used as a softer alternative to the more common F word.
No!! But some people consider 'stop it' to be a swear word.
It is in the sense that people use it to swear with when they don't want to use the word that sounds very like it. Any word used to swear with is a swear word. It doesn't have to be sexual or religious.