Passing data from second activity to first activity

Use startActivityForResult() for this situation.

1) You open second activity from the first using this method, not startActivity()
2) Do whatever you want in the second activity
3) Set result bundle
4) Finish activity
5) Open bundle in the first activity

In your case it will look like:

1) Call second activity like this:

Intent i = new Intent(this, SecondActivity.class);
startActivityForResult(i, REQUEST_SECOND_ACTIVITY); // request code const

2-4)

submitButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            name = nameEditText.getText().toString();
            if (defaultRadioButton.isChecked()) {
                status=0;
            } else if (driverRadioButton.isChecked()) {
                status=1;
            } else {
                Toast.makeText(getApplicationContext(), "Suka viberi galochku", Toast.LENGTH_SHORT).show();
            }

            final Intent returnIntent = new Intent();
            returnIntent.putExtra("Status", status); // set values
            returnIntent.putExtra("Name", name);
            setResult(Activity.RESULT_OK, returnIntent); // set result code
            finish(); // finish this activity and go back to the previous one
        }
    });

5) Override this method in the first activity

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {

    switch(requestCode) {
        case REQUEST_SECOND_ACTIVITY: // same request code const
            if(resultCode == Activity.RESULT_OK){
                Player player = new Player();
                player.setStatus(data.getIntExtra("Status"));
                player.setName(data.getStringExtra("Name"));
                addPlayerToList(player);
            }
            break;
    }
}