How to Grant Access to Others to Your Gmail Account Without Sharing Password

Gmail is one of the most popular mailing service today. It gives many facilities to it's users. such as
Use Gmail Without Internet Connection
Schedule your own time, and send emails in Gmail
Remove Spam emails automatically in Gmail

In this list now gmail gives one of the greatest facility to its users. Its called as grant access. This means you can give grant access to your gmail account to a friend, without sharing your password.

Most important thing is in this, other person can't change any setting or password of your gmail account. And also can't chat from your account. This feature only allows the other person to 
read inbox mails, 
can delete read mails, 
and can send mails from your account. 
More than this, particular person can't do any changes in your gmail account. 

How to active this feature?

Login to your Gmail account

Go to Settings

In Setting, Click on Account and Import tab

Now go to Grand access to your account section

Then click on Add another account

Now a pop-up window will appear, in that window type the particular person's email address that you gonna give the access.

Then click on Next

In the next appearing window click on Send Emails to grant access

Now particular person will get an email to conform the grant access. He/She should conform the grant access to access your account.

How to conform the grant access?

He/She can conform by clicking accept this request link

That's all, you have done.
After 30 minutes the particular person can log into your Gmail account.

How to login?

The particular person have to login to his/her gmail account and should click on his/her name in the top-right of the window.

Now he/she can see another new email id with the word (delegated), below their email id.

If he/she click on that new email id, they can access to your Gmail account without password require.

Note:
If he/she send an email to anyone from your account, the mail receiver will get the particular person's email id in sent by section. So he/she cannot misuse your email account, you don't need to worry about misuses !!!