Mr coll suggests that , isolated among half-brothers , he always had a need to prove himself .
考尔认为，正是由于奥沙马被其他同父异母的兄弟孤立，因此总是需要想办法证明自己。
Earlier , reuters reported that a bank official had claimed mr da ? Ino negotiated the deal along with ms riza 's lawyer and xavier coll , the bank vice-president for human resources .
