Which one of the following foreign travellers elaborately discussed the diamonds and diamond mines of India?

Giovanni Francesco Gemelli Careri, a European traveler who visited India at the end of the 17th century, belonged to which country?

The following observation regarding the Mughal agrarian situation was made by a European traveler: 'The Timariots, Governors and Revenue Collectors on their part reason in this manner: "Why should the neglected state of this land create uneasiness in our minds? and why should we expend our money and time to render it fruitful? We may be deprived of it in a single moment..."' Identify the narrator.