Can my employers gain access to any of my icloud contents?

I have an iphone. I linked it to my icloud for back up.
I now have a separate iphone as a work phone. I added my Apple ID and password to this new work iphone. This new phone now has the same name as my personal iphone. Both can be used synonymously.

Does my employer have any kind of access now to anything I have saved on my icloud?

Can't play movies on my iPhone?

When I try to load a movie it loads for a millisecond then says "operation can't be completed". I tried a restart and a reset. I'm traveling so I don't have my computer to restore. Any suggestions? Btw, the movie is in.mp4 format and worked on my iTunes.

How to prevent uploading to YouTube from iPhone?

I'm able to upload my picture to YouTube without logging into Gmail or YouTube. From my iPhone. This is very risky I believe. If someone were to get my iPhone he could upload that which I never intended. I need help to configure iPhone so that no one can access my accounts on Gmail or YouTube or Facebook.

A good site to download music from?

I need some good site to download music from for free…
I know about iTunes (duh, I got an iPhone) but music costs there so have you guys got any good advice about where to download music for your iPhone?

I need a good Instagram Bio

Okay so I don't know what to make my Instagram bio and I'm going crazy! I have an iPhone, so I can use emojis… I love Girly stuff but still like to skate and listen to A Day To Remember on the side… I want my bio to show a sweet side! I LOVE MUSIC AND CHEETAH! I'm mentally and physically exhausted so I could add that just something different and cute!

Lost iPhone, Should I Return?

Wow I can't believe my original question got deleted but anyway.
A few things going on here, so my Grandpa bought a lost iPhone 4 (New Condition) for 40 dollars off some guy. So technically the iPhone 4 is still lost because the owner didn't sell him it, some random guy did. So he brought it home, and I unlocked it seeing that his facebook was still logged in. I could post a status on his FB asking who's phone this is and how I can contact him. So i don't know what to do because I know its haram to steal, so I wanna give it back. But my mom won't let me because my grandpa already paid and he wants to send it to his relatives in a foreign country.
To understand this, think of it like this. An iPhone 4 for free to our family is like the biggest diamond in the world.
So what do I do, even if my mom doesn't want me to return it?

How to reveal a blocked caller ID?

I've been receiving calls, from a blocked number through my iPhone 5 (iOS 6.0)
and they call me at 1:00 AM every night.
I was hoping someone could tell me how to reveal a blocked number so I can get to the bottom of this. I'm from Israel btw

Sync my iPhone with a new computer on iTunes?

After i sync my iphone with a new computer that i got recently, i have some questions…
1. Will i lose all my pics?
2. Will i lose all my Music?
3. Will i lose all my apps?
4. Will i lose my Jailbreak Apps from Appcake?
5. Will i lose my Cydia Apps?
6. Will i lose my Jailbreak?